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  2. List of purification methods in chemistry - Wikipedia

    en.wikipedia.org/wiki/List_of_purification...

    Distillation, widely used in petroleum refining and in purification of ethanol separates volatile liquids on the basis of their relative volatilities. There are several type of distillation: simple distillation, steam distillation etc. Water purification combines a number of methods to produce potable or drinking water.

  3. Vacuum distillation - Wikipedia

    en.wikipedia.org/wiki/Vacuum_distillation

    Vacuum distillation or distillation under reduced pressure is a type of distillation performed under reduced pressure, which allows the purification of compounds not readily distilled at ambient pressures or simply to save time or energy. This technique separates compounds based on differences in their boiling points.

  4. Liber de arte distillandi de simplicibus - Wikipedia

    en.wikipedia.org/wiki/Liber_de_arte_distillandi...

    The Kleines Destillierbuch consists of a total of 230 pages divided in fourths. It is split into three parts, the first with 23 chapters explaining the process of distillation, the second comprising a list of plants whose products can be distilled, and the third consisting of an index of diseases which can be treated by the medicinal waters produced through distillation.

  5. Distillation - Wikipedia

    en.wikipedia.org/wiki/Distillation

    Distillation, also classical distillation, is the process of separating the component substances of a liquid mixture of two or more chemically discrete substances; the separation process is realized by way of the selective boiling of the mixture and the condensation of the vapors in a still.

  6. Air separation - Wikipedia

    en.wikipedia.org/wiki/Air_separation

    Distillation column in a cryogenic air separation plant The cryogenic separation process [ 4 ] [ 5 ] [ 6 ] requires a very tight integration of heat exchangers and separation columns to obtain a good efficiency and all the energy for refrigeration is provided by the compression of the air at the inlet of the unit.

  7. Why Every Dermatologist Loves Glycerin

    www.aol.com/lifestyle/why-every-dermatologist...

    Houshmand says to look for glycerin-based products compatible with your skin type: “Stick with quality ingredients and products that have glycerin higher in the ingredient list.”

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  9. How to Get Rid of Hemorrhoids at Homeā€”Plus When to ... - AOL

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